Ugii lake locates in the territory of Ugii nuur village of beautiful Arkhangai province. The lake is one of the biggest lake of the country and it covers 25 km square area. Average depth is 6 meters, but some area reach at over 18 meters deep. The whetstone, sands and soft waves are very convenient to have boat adventure and beach relaxing. It is also wonderful places for swimming, hiking and horse riding. There are 200 rare species of migration birds come to settle down on lake and there are 14 species of fishes recorded in the lake. We organize the adventure horse trekking around the Ugii lake.